Checking The Lawn Mower And Battery; Checking The Controls; Checking The Blade; Testing The Battery - Stihl Rma 443.3 Gebrauchsanleitung

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11 Checking the Lawn Mower
and Battery
11.1

Checking the Controls

Locking button and control bar
► Remove the battery.
► Press the locking button and release it again.
► Pull the control bar fully in the direction of the
handlebar and release it again.
► If the locking button or the control bar is stiff or
does not spring back into the initial position:
do not use the lawn mower and consult a
STIHL specialist dealer.
The locking button or the control bar is defec‐
tive.
Activating the blade
► Fit the battery.
► Press the locking button with the right hand
and hold.
► Pull the control bar with the left hand fully in
the direction of the handlebar and hold so the
thumb encloses the handlebar.
The blade turns.
► If 3 LEDs flash red: remove the battery and
consult a STIHL specialist dealer.
There is a fault in the lawn mower.
► Release the locking button and control bar.
The blade stops turning after a short time.
► If the blade continues to turn: remove the bat‐
tery and consult a STIHL specialist dealer.
The lawn mower is defective.
11.2

Checking the Blade

► Switch the lawn mower off and remove the
battery.
► Upend the lawn mower,
► Measure the following:
– Thickness a
– Width b
– Sharpening angle c
► If the minimum thickness or minimum width is
fallen below: replace the blade,
► If the sharpening angle is not correct: sharpen
the blade, 20.2.
44
16.1.
20.2.

11 Checking the Lawn Mower and Battery

► If anything is unclear: consult a STIHL special‐
ist dealer.
11.3

Testing the Battery

► Press button on battery.
The LEDs glow or flash.
► If the LEDs do not glow or flash: Do not use
the battery and contact your STIHL servicing
dealer.
There is a malfunction in the battery.

12 Operating the Lawn Mower

12.1 Holding and Guiding the Lawn
Mower
► Hold the handlebar with both hands so the
thumbs enclose the handlebar.
12.2

Setting the Cutting Height

Seven cutting heights can be set:
– 20 mm = position 1
– 30 mm = position 2
– 40 mm = position 3
– 55 mm = position 4
– 70 mm = position 5
– 85 mm = position 6
– 100 mm = position 7
The positions are indicated on the lawn mower.
Setting the cutting height
► Switch the lawn mower off.
The blade must not be turning.
► Place the lawn mower on a level surface.
► Hold the lawn mower at handle (1).
► Press and hold lever (2).
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